Herkimer Mountain Diamond Mine: Herkimer Diamond Rockhounding in Montgomery County, New York
Updated August 2026
Herkimer Mountain Diamond Mine is a mapped rockhounding spot in Montgomery County, New York. Reported finds include herkimer diamond. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Herkimer Mountain Diamond Mine in Montgomery County, New York
Quick details
- Access
- Paid / fee dig
- County
- Montgomery County
- State
- New York
- Nearest road
- Oswegatchie Road
- Coordinates
- 42.92485, -74.47128
Land & collecting status
Pay-to-dig site
This is a fee-dig location. Hours, prices, and what you can keep vary by operator. Call ahead before driving out.
Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.
Sources & verification
Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.
Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.
Found at Herkimer Mountain Diamond Mine
Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
Nearby rockhounding spots
Other rockhounding spots within driving distance of Herkimer Mountain Diamond Mine.
- SprakersTop pick in New YorkMontgomery County, New York · 2 mi awayHerkimer Diamond, Quartz
- Diamond Acres MineMontgomery County, New York · 3 mi awayHerkimer Diamond, Quartz
- Diamond Acres MineMontgomery County, New York · 3 mi away
- Mohawk ValleyMontgomery County, New York · 3 mi awayHerkimer Diamond
- Soul Phamily FarmMontgomery County, New York · 12 mi awayHerkimer Diamond
- Crystal Grove Diamond MineFulton County, New York · 12 mi awayHerkimer Diamond
- Crystal DazeFulton County, New York · 15 mi awayHerkimer Diamond
- Russell Family MineHerkimer County, New York · 20 mi awayHerkimer Diamond
Across the state line from Herkimer Mountain Diamond Mine
Herkimer Mountain Diamond Mine is close enough to the New York border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
- BenningtonTop pick in VermontBennington County, Vermont · 69 mi awayBlue Quartz, Garnet, Feldspar
- PittsfieldBerkshire County, Massachusetts · 72 mi awayGreen Quartz
- DaltonBerkshire County, Massachusetts · 73 mi awayAsbestos, Talc
- Monument MountainBerkshire County, Massachusetts · 73 mi awaySmoky Quartz
Herkimer Mountain Diamond Mine FAQ
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More rockhounding in New York
See all 92 New York spots →Open Herkimer Mountain Diamond Mine on the map
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